While shopping for a humidifier, I noticed an older woman walking back and forth down the aisle. Wondering if she was shopping for humidifiers also, I moved aside to allow her to draw near. Soon we chatted about a flu virus in our area, one that left her with a lingering cough and headache.

A few minutes later, she launched into a bitter tirade, expressing her theory about the origin of the virus. I listened, unsure what to do. She soon left the store, still angry and frustrated. Though she had expressed her frustration, I couldn’t do anything to take away…